Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 20:44
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260803-1169-u043s0.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260803-1169-u043s0.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260803-1169-u043s0.xlsx
- Size 114KB
- Sample260803-zh55csfe39
- SHA256 4fc50abe4214a380c881eb7b71ec71d2ee63a4ce87138e008dbe800a298df280
- MD5 bb6322859e1cc993ffe60eb2325d9495
- SHA1 7d6387b3c3748b33ea33d61963004fe4c601676a
- SHA512 72148e5dcc2d6a1d28e941a846cd9c700086bb8f3fe0f1460b88086eca7201982a0705db45d6667665ef6b643798bcf1b21223949a2d4f05052c03cdf08f79fb
- SSDEEP 1536:klYSVNHKTVOPDkU2EKA4HDSFHeEQHCr46pkwY9nA4USn9RcLHvs5dOF+RKwm+nuj:kxVNHKTVQYUkEQoYNJ90HvEkF+D/nH4n
- TLSH T17FB361988C7AA00DD0773FB49BB6A095E771F6A13F0E5E1B02AC74741EAEC39D781445
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4128 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4128 EXCEL.EXE 4128 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\attachment20260803-1169-u043s0.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4128
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 753636067da2bae93f6b098d0c77c687d1b1d5fcfddb400e02abedba98ba7f25
- MD5 9268e59a9a7a9e6b02b0cc01cac0c5a4
- SHA1 1382eeaff3739185318d53cf6b066e7f9926f4c5
- SHA512 ee606b589ecd02791ef602338d4c880528c62e7463fe5bc2f7a0f3f6bddde4f0cbb6ccc487209b6ab92316cdcacf281779ee0cb354bd1504f89c50307baf5c3f
- TLSH T1A721DD012ACB1B1BD4584A711F3E472AF370FC93BF20971D8608122F6D669809D5EE6B
- MD5 SHA1 SHA512 TLSH